(3GdcdeGJ hGdGTjGA (B: (3GdJMdjd GdHfjhi dbUjOI GdGWdGd ai GdTYQ GdLGgdi (B: (3OQGSI fbOjI (B/ s - (3MSf GdHfG YRGdOjfs ([S.N] : (3OGQ GdefGgd ddWHGYI hGdfTQ , s, 1989)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdLGgdis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs